> I have a concept for a Hero cult of Humakt, which is that the hero
being
> worshipped (Saint Anthony) was a Malkioni who created a grimoire
through
> misapplied veneration of Humakt.
There are some new rules on the Glorantha site about just such a
situation, with the Storm Bull/Urox/Taurox writeup. I must admit I've
not studied the Sorcerous side of magic much, but those may help.